that ten to ﬁfteen percent of all depressed adults remain undiagnosed. Therefore, it ... reasons for hospital admissions in the United States. People who have had a heart ... with at least Acute Continuation 3 Follow-up Phase Phase Visits Treatment Treatment (Percent) (Percent) (Percent) Follow-up after Hospitalization Members Receiving Any Mental Health Services (Percent) Inpatient Admission Rate Inpatient Hospitalization Length of Stay